<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>

	<script>
		"use strict";

		// alert(999);

		/*str = 'abc';
		console.log(str);*/

		/*function test() {
			str = 'def';
		}
		test();
		console.log(str);*/

		// ???
		/*var obj = {
			name: 'abc',
			name: 'def'
		};
		console.log(obj.name);*/

		/*var str = '{"name": "abc"}';
		var obj = eval('(' + str + ')');
		console.log(obj);*/

		

	</script>
	
</body>
</html>